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Intel i7-6700K vs i5-12400F

The Intel Core i5-12400F is newer than Intel Core i7-6700K @ 4.00GHz and is significantly faster in multi-threaded (CPU Mark) testing, it is around 28% faster in single-thread testing. However, Intel Core i7-6700K @ 4.00GHz uses around 38% more power. All the CPUs in this comparison belong in the Desktop CPU Class.The values below were tabulated from a combined 22468 benchmarks submitted from our PerformanceTest software and results and are updated daily to include new submissions.

  • The first section will show basic information for each CPU selected.
  • The additional graphs shows the CPU Mark and Single Thread values of each CPU selected.
  • An accompany graph, if price data is available, will shows the value for money, in terms of the CPU Mark/Thread Rating per dollar.
  • The last section will show approximate yearly running costs for the CPUs.

×Intel Core i7-6700K @ 4.00GHz×Intel Core i5-12400F+ ADD
Price $103.07 - BUY $109.99 - BUY
Socket TypeLGA1151FCLGA1700
CPU ClassDesktopDesktop
Clockspeed4.0 GHz2.5 GHz
Turbo SpeedUp to 4.2 GHzUp to 4.4 GHz
# of Physical Cores4 (Threads: 8)6 (Threads: 12)
CacheL1: 256KB, L2: 1.0MB, L3: 8MBL1: 480KB, L2: 7.5MB, L3: 18MB
TDP95W65W
Yearly Running Cost$17.34$11.86
Other
First Seen on ChartQ3 2015Q1 2022
# of Samples167275741
CPU Value86.7177.5
Single Thread Rating(% diff. to max in group)2505(-28.4%)3499(0.0%)
CPU Mark(% diff. to max in group)8935(-54.2%)19520(0.0%)

CPU Mark Rating
As of 23rd of December 2024 - Higher results represent better performance
Intel Core i7-6700K @ 4.00GHz
8,935
Intel Core i5-12400F
19,520
PassMark Software © 2008-2024
CPU Value (CPU Mark / $Price)
As of 23rd of December 2024 - Higher results represent better value
Intel Core i7-6700K @ 4.00GHz
86.7
Intel Core i5-12400F
177.5
PassMark Software © 2008-2024
CPU Single Thread Rating
As of 23rd of December 2024 - Higher results represent better performance
Intel Core i7-6700K @ 4.00GHz
2,505
Intel Core i5-12400F
3,499
PassMark Software © 2008-2024
Estimated Energy Usage Cost
Estimated Energy Adjustable Values
Average hours of use per day Average CPU Utilization (0-100%)1 Power cost, $ per kWh2
8
25
1Average user usage is typically low and can vary from task to task. An estimate load 25% is nominal.
2Typical power costs vary around the world. Check your last power bill for details. Values of $0.15 to $0.45 per kWh are typical.
Intel Core i7-6700K @ 4.00GHz Intel Core i5-12400F
Max TDP95W65W
Power consumption per day (kWh)NANA
Running cost per dayNANA
Power consumption per year (kWh)NANA
Running cost per yearNANA
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.